73043397 has 32 divisors (see below), whose sum is σ = 124482560. Its totient is φ = 41465520.

The previous prime is 73043393. The next prime is 73043417. The reversal of 73043397 is 79334037.

It is not a de Polignac number, because 73043397 - 2² = 73043393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73043393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29622 + ... + 31992.

It is an arithmetic number, because the mean of its divisors is an integer number (3890080).

Almost surely, 2^73043397 is an apocalyptic number.

It is an amenable number.

73043397 is a deficient number, since it is larger than the sum of its proper divisors (51439163).

73043397 is a wasteful number, since it uses less digits than its factorization.

73043397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550 (or 2544 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 36.

The square root of 73043397 is about 8546.5429853245. The cubic root of 73043397 is about 418.0167209416.

It can be divided in two parts, 7304 and 3397, that added together give a palindrome (10701).

The spelling of 73043397 in words is "seventy-three million, forty-three thousand, three hundred ninety-seven".